<div class="test-container">
    <div class="test-header">
        <button onclick="onBtUpdate()">Update</button>
        <button onclick="onBtDuplicate()">Duplicate</button>
        <button onclick="onBtDelete()">Delete</button>
        <button onclick="onBtClearSelection()">Clear Selection</button>
    </div>
    <div id="myGrid" class="test-grid"></div>
</div>
